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66113411 = 713726521
BaseRepresentation
bin1111110000110…
…0111110000011
311121101220112212
43330030332003
5113411112121
610321012335
71431645320
oct374147603
9147356485
1066113411
1134356a91
121a1840ab
131090a780
148acdb47
155c0e25b
hex3f0cf83

66113411 has 8 divisors (see below), whose sum is σ = 81370464. Its totient is φ = 52309440.

The previous prime is 66113363. The next prime is 66113449. The reversal of 66113411 is 11431166.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 66113411 - 26 = 66113347 is a prime.

It is a super-2 number, since 2×661134112 = 8741966228109842, which contains 22 as substring.

It is a zygodrome in base 2.

It is not an unprimeable number, because it can be changed into a prime (66113461) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 363170 + ... + 363351.

It is an arithmetic number, because the mean of its divisors is an integer number (10171308).

Almost surely, 266113411 is an apocalyptic number.

66113411 is a deficient number, since it is larger than the sum of its proper divisors (15257053).

66113411 is a wasteful number, since it uses less digits than its factorization.

66113411 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 726541.

The product of its digits is 432, while the sum is 23.

The square root of 66113411 is about 8131.0153732483. The cubic root of 66113411 is about 404.3553448925.

Adding to 66113411 its reverse (11431166), we get a palindrome (77544577).

The spelling of 66113411 in words is "sixty-six million, one hundred thirteen thousand, four hundred eleven".

Divisors: 1 7 13 91 726521 5085647 9444773 66113411